indentation error

Dockerfile.proto

@@ -27,13 +27,13 @@ EOF
 # grpcio-tools contains protoc, which allows to build the pb2.py files in the install-tf.sh script.
 # Installing directly grpcio-tools result in an older version of protobuf.
 RUN <<EOF
-      pip install --no-cache-dir \
-      grpcio==${GRPC_VERSION} \
-      protobuf==${PROTOBUF_VERSION} \
-      six==${SIX_VERSION}
-      pip install --no-dependencies \
-      grpcio-tools==${GRPCIO_TOOLS_VERSION}
- EOF
+    pip install --no-cache-dir \
+        grpcio==${GRPC_VERSION} \
+        protobuf==${PROTOBUF_VERSION} \
+        six==${SIX_VERSION}
+    pip install --no-dependencies \
+        grpcio-tools==${GRPCIO_TOOLS_VERSION}
+EOF
 
 # Build TensorFlow serving proto files
 WORKDIR /build/tf